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Form 8-K

sec.gov

8-K — Gain Therapeutics, Inc.

Accession: 0001104659-26-077820

Filed: 2026-06-25

Period: 2026-06-24

CIK: 0001819411

SIC: 2834 (PHARMACEUTICAL PREPARATIONS)

Item: Submission of Matters to a Vote of Security Holders

Documents

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM

8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d) OF THE

SECURITIES

EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported):

June 24, 2026

Gain Therapeutics, Inc.

(Exact name of registrant as specified in its charter)

Delaware

001-40237

85-1726310

(State or other jurisdiction

of incorporation)

(Commission File

Number)

(IRS Employer

Identification No.)

4800 Montgomery Lane, Suite 220

Bethesda, Maryland 20814

(Address of principal

executive offices) (Zip Code)

(301)

500-1556

(Registrant’s telephone number, including area code)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under

any of the following provisions:

¨ Written

communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

¨ Soliciting

material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

¨ Pre-commencement

communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

¨ Pre-commencement

communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR§230.405)

or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2).

Emerging growth company x

If an emerging growth company,

indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised

financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨

Securities registered pursuant

to Section 12(b) of the Act:

Title

of each class:

Trading

Symbol(s)

Name

of each exchange on which Registered

Common Stock, par value $0.0001

GANX

The

Nasdaq Stock

Market LLC

Item 5.07 Submission of Matters to a Vote of Security Holders

On June 24, 2026, Gain Therapeutics, Inc. (the

“Company”) held its annual meeting of stockholders (the “Annual Meeting”), at which a quorum was present. The

matters voted on at the Annual Meeting were: (1) the election of seven directors, and (2) the ratification of the appointment of Ernst

& Young AG as the Company’s independent registered public accounting firm. The final voting results were as follows:

1. The election of Gene Mack, Dov Goldstein, M.D.,

Hans Peter Hasler, Khalid Islam, Ph.D., Gwen Melincoff, Claude Nicaise, M.D., and Jeffrey Riley as directors to hold office for a term

of one year, until their successors are duly elected and qualified or they are otherwise unable to complete their respective terms. The

votes were cast for this matter were as follows:

Nominee

For

Withheld

Broker Non-Vote

Gene Mack

13,618,503

1,691,620

11,670,126

Dov Goldstein, M.D.

14,477,046

833,077

11,670,126

Hans Peter Hasler

13,517,744

1,792,379

11,670,126

Khalid Islam, Ph.D.

14,393,372

916,751

11,670,126

Gwen Melincoff

14,459,942

850,181

11,670,126

Claude Nicaise, M.D.

14,472,350

837,773

11,670,126

Jeffrey Riley

14,148,296

1,161,827

11,670,126

2. The proposal to ratify the appointment of Ernst

& Young AG as the Company’s independent registered public accounting firm for the fiscal year ending December 31, 2026 was approved

based upon the following votes:

For

Against

Abstain

25,865,468

1,074,319

40,462

SIGNATURE

Pursuant to the requirements

of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto

duly authorized.

GAIN THERAPEUTICS, INC.

Date: June 25, 2026

By:

/s/ Gene Mack

Name:

Gene Mack

Title:

Chief Executive Officer

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Entity Incorporation, State or Country Code

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Entity Address, Address Line One

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City Area Code

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Local Phone Number

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